From fd23ce7673ff3d6115f3e009ebe48b80ffd111e4 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 30 May 2021 17:36:49 +0200
Subject: acme@surtr: ...

---
 hosts/surtr/tls.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hosts/surtr/tls.nix b/hosts/surtr/tls.nix
index f45c5c7c..c4ca09b1 100644
--- a/hosts/surtr/tls.nix
+++ b/hosts/surtr/tls.nix
@@ -16,16 +16,21 @@ let
 
     owner=''${fqdn%".${zone}."}
 
+    function cleanup() {
+      ${knotCfg.cliWrappers}/bin/knotc zone-abort "${zone}"
+    }
+    trap cleanup EXIT
+
     ${knotCfg.cliWrappers}/bin/knotc zone-begin "${zone}"
 
     case "''${mode}" in
       present)
-        ${knotCfg.cliWrappers}/bin/knotc zone-unset ${zone} "''${owner}" TXT ""
+        ${knotCfg.cliWrappers}/bin/knotc zone-unset ${zone} "''${owner}" TXT '""'
         ${knotCfg.cliWrappers}/bin/knotc zone-set ${zone} "''${owner}" 30 TXT "''${challenge}"
         ;;
       cleanup)
         ${knotCfg.cliWrappers}/bin/knotc zone-unset ${zone} "''${owner}" TXT "''${challenge}"
-        ${knotCfg.cliWrappers}/bin/knotc zone-set ${zone} "''${owner}" 30 TXT ""
+        ${knotCfg.cliWrappers}/bin/knotc zone-set ${zone} "''${owner}" 30 TXT '""'
         ;;
       *)
         exit 2
-- 
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